EP1014946A4 - Sustained-release liposomal anesthetic compositions - Google Patents

Sustained-release liposomal anesthetic compositions

Info

Publication number
EP1014946A4
EP1014946A4 EP98948352A EP98948352A EP1014946A4 EP 1014946 A4 EP1014946 A4 EP 1014946A4 EP 98948352 A EP98948352 A EP 98948352A EP 98948352 A EP98948352 A EP 98948352A EP 1014946 A4 EP1014946 A4 EP 1014946A4
Authority
EP
European Patent Office
Prior art keywords
anesthetic
local
encapsulated
sustained
injection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98948352A
Other languages
German (de)
French (fr)
Other versions
EP1014946B1 (en
EP1014946A1 (en
Inventor
Sinil Kim
Taehee Kim
Sharad Murdandi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pacira Pharmaceuticals Inc
Original Assignee
Skyepharma Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Skyepharma Inc filed Critical Skyepharma Inc
Priority to EP10183360A priority Critical patent/EP2308470A1/en
Priority to EP10003091A priority patent/EP2198854B1/en
Publication of EP1014946A1 publication Critical patent/EP1014946A1/en
Publication of EP1014946A4 publication Critical patent/EP1014946A4/en
Application granted granted Critical
Publication of EP1014946B1 publication Critical patent/EP1014946B1/en
Priority to CY20101100573T priority patent/CY1110135T1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/10—Dispersions; Emulsions
    • A61K9/127—Liposomes
    • A61K9/1277—Processes for preparing; Proliposomes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/16—Amides, e.g. hydroxamic acids
    • A61K31/165—Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide
    • A61K31/167—Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide having the nitrogen of a carboxamide group directly attached to the aromatic ring, e.g. lidocaine, paracetamol
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445—Non condensed piperidines, e.g. piperocaine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/02—Inorganic compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/12—Carboxylic acids; Salts or anhydrides thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/10—Dispersions; Emulsions
    • A61K9/127—Liposomes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/10—Dispersions; Emulsions
    • A61K9/127—Liposomes
    • A61K9/1271—Non-conventional liposomes, e.g. PEGylated liposomes, liposomes coated with polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P23/00—Anaesthetics
    • A61P23/02—Local anaesthetics

Abstract

The invention provides a method for obtaining local anesthetics encapsulated in liposomes, such as multivesicular liposomes, with high encapsulation efficiency and slow release in vivo. When the encapsulated anesthetic is administered as a single intracutaneous dose, the duration of anesthesia and half-life of the drug at the local injection site is increased as compared to injection of unencapsulated anesthetic. The maximum tolerated dose of the encapsulated anesthetic is also markedly increased in the liposomal formulation over injection of unencapsulated anesthetic. These results show that the liposomal formulation of local anesthetic is useful for sustained local infiltration and nerve block anesthesia.
EP98948352A 1997-09-18 1998-09-18 Sustained-release liposomal anesthetic compositions Expired - Lifetime EP1014946B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10183360A EP2308470A1 (en) 1997-09-18 1998-09-18 Sustained-release liposomal anesthetic compositions
EP10003091A EP2198854B1 (en) 1997-09-18 1998-09-18 Sustained-release liposomal anesthetic compositions
CY20101100573T CY1110135T1 (en) 1997-09-18 2010-06-22 Liposomal Compositions of Anesthetic Prolonged Release

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5923397P 1997-09-18 1997-09-18
US59233 1997-09-18
PCT/US1998/019583 WO1999013865A1 (en) 1997-09-18 1998-09-18 Sustained-release liposomal anesthetic compositions

Publications (3)

Publication Number Publication Date
EP1014946A1 EP1014946A1 (en) 2000-07-05
EP1014946A4 true EP1014946A4 (en) 2006-05-17
EP1014946B1 EP1014946B1 (en) 2010-04-07

Family

ID=22021653

Family Applications (3)

Application Number Title Priority Date Filing Date
EP98948352A Expired - Lifetime EP1014946B1 (en) 1997-09-18 1998-09-18 Sustained-release liposomal anesthetic compositions
EP10003091A Expired - Lifetime EP2198854B1 (en) 1997-09-18 1998-09-18 Sustained-release liposomal anesthetic compositions
EP10183360A Withdrawn EP2308470A1 (en) 1997-09-18 1998-09-18 Sustained-release liposomal anesthetic compositions

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP10003091A Expired - Lifetime EP2198854B1 (en) 1997-09-18 1998-09-18 Sustained-release liposomal anesthetic compositions
EP10183360A Withdrawn EP2308470A1 (en) 1997-09-18 1998-09-18 Sustained-release liposomal anesthetic compositions

Country Status (16)

Country Link
US (5) US6045824A (en)
EP (3) EP1014946B1 (en)
JP (1) JP4467789B2 (en)
AT (2) ATE463238T1 (en)
AU (1) AU735588B2 (en)
CA (1) CA2304096C (en)
CY (1) CY1110135T1 (en)
DE (1) DE69841598D1 (en)
DK (1) DK1014946T3 (en)
ES (2) ES2373861T3 (en)
HK (1) HK1145966A1 (en)
IL (1) IL135060A (en)
NO (1) NO329727B1 (en)
NZ (1) NZ503513A (en)
PT (1) PT1014946E (en)
WO (1) WO1999013865A1 (en)

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